CVE-2017-15021

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-10-05 · updated 2026-06-17
Weakness: CWE-125

Description

bfd_get_debug_link_info_1 in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to bfd_getl32.

Affected products

GNU Binutils: 2.29

References

https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-bfd_getl32-opncls-c/
https://sourceware.org/bugzilla/show_bug.cgi?id=22197
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=52b36c51e5bf6d7600fdc6ba115b170b0e78e31d
https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-bfd_getl32-opncls-c/
https://sourceware.org/bugzilla/show_bug.cgi?id=22197
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=52b36c51e5bf6d7600fdc6ba115b170b0e78e31d

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